The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

Cave on extinct volcano, once home to famous mathematician Pythagoras.

The hallucinogenic center of the ancient world.

This stone complex marks the urban center of a lost civilization.

Where cemeteries are carved into the side of cliffs and infants are buried in the hollows of trees.

Subterranean place of worship in Indonesia.

The large collection of pre-Columbian pottery might make you blush.

This Javanese-Hindu temple from the 15th century is unmissable for anyone with even a passing interest in erotic art.

The remains of what was the most important religious complex in coastal Peru for over a millennium.

A market for witches is hidden within a train station.

Rock-cut cave complex filled with ancient Buddhist artwork.

This rare basalt crater lake is used to study the Moon and Mars.

This complex of vertically-excavated Buddhist, Jain, and Hindu monolithic temples in India's Maharashtra providence illustrates a spirit of tolerance characteristic of ancient India.

An abandoned railroad tunnel is now filled with bioluminescent bugs.

Woven tree art gives this towering Australian woodland a touch of mystical whimsy.

A forest full of mystical fantasy figures, nearly destroyed by recent fires.

Australian Lake set aglow by Noctiluca Scintillans.

Unusual finds in this shrine to local law enforcement include a 19th-century vampire-slaying kit.

Occult books, tarot, oddities.

One of the oldest theaters in Australia, it's also said to be haunted by a performer who died on stage.

The labyrinthine storm tunnels beneath the city of Melbourne are ruled by a band of urban explorers.

An ancient engraving by the Cammeraygal people was uncovered in the transformation of a North Sydney industrial site.